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New ball joint went out after a month?

About a month ago I replaced a bunch of stuff on my front end - my control arms, (with bushings and ball joints) my sway bar, my tie rod ends, and one wheel bearing. Got it aligned, and everything was great. A couple days ago, I started hearing a bit of a clunking every time my car rocked forward or backward during acceleration/breaking. I assumed it was just worn strut mounts, but it started getting worse quickly last night on my way to work - I looked under the car and the boot on the driverside ball joint is torn. Its still under warrenty, so I'm just out the cost of the alignment + my labor, but is there anything I could've done that caused it to tear, or was it a defective part? (And yes, I did go cheap and get the Master Pro instead of the Moog...but it should still have lasted longer than a month.)

In other words, am I dumb, or unlucky?

Update:

1.) Even cheap parts should last a month...

2.) I greased it thoroughly

3.) I can't say I didn't hit a few small potholes, but I live in the country so that's normal. So no more than usual.

Update 2:

Its a press-in joint...I bought the entire control arm with the ball joint pre-installed. and it doesn't seem to have pulled out, the boot just tore in half so all the grease spilled out.

2 Answers

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  • Anonymous
    1 decade ago
    Favorite Answer

    1. Cheap parts.

    2. Hit something on the road.

    3. Forgot to grease the parts.

  • GaryM
    Lv 5
    1 decade ago

    the ball joint not installed properly or the lock might not seating properly so it pulled from the seat.

    check the type/design of ball joint,

    if bolt-on type, chances of not tightening it is minimal,

    for pivot to jump out from the seat , the ball joint is factory defect,

    for spline type ball joint with c-lock, the ball joint might have installed poorly, meaning the spline did not seat/match to mating spline,, mechanics fault.

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